Seiko Cal. 4577 - 854

The Seiko 4577-854 represents an important milestone in Seiko's 1969 lineup. Powered by the 4577 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-4cbeca7fb4bb]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1969

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